Submission #436032

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
436032	2021-06-24 06:11:23	79brue	Keys (IOI21_keys)	C++17	100 / 100	2395 ms	140736 KiB

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#include <bits/stdc++.h>
using namespace std;
typedef unsigned long long ll;
struct disjointSet{
    int n;
    int par[300002];
    int sz[300002];
    void init(int _n){
        n = _n;
        for(int i=0; i<=n; i++) par[i] = i, sz[i] = 1;
    }
    int find(int x){
        if(x == par[x]) return x;
        return par[x] = find(par[x]);
    }
    void merge(int x, int y){
        x = find(x), y = find(y);
        sz[x] += sz[y];
        par[y] = x;
    }
} dsu;
struct Bitset{
    unordered_map<int, ll> mp;
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 11 / 11
• Subtask 3: 17 / 17
• Subtask 4: 30 / 30
• Subtask 5: 33 / 33